1.Impact of car seat recline angle on global spinal alignment and seat belt positioning: a prospective observational study in Japan
Norihiro NISHIDA ; Tomohiro IZUMIYAMA ; Ryusuke ASAHI ; Hidenori SUZUKI ; Masahiro KOIKE ; Masahiro FUNABA ; Kazuhiro FUJIMOTO ; Yusuke ICHIHARA ; Yogesh KUMARAN ; Hiroshi HAMANO ; Shigeru SUGIMOTO ; Takashi SAKAI
Asian Spine Journal 2026;20(2):283-293
Methods:
Lateral radiographs were obtained from 100 healthy adults in standing and seated postures at 25°, 35°, and 45° recline angles. Spinal parameters (cervical lordosis, thoracic kyphosis, thoracolumbar kyphosis, lumbar lordosis, sacral slope, pelvic tilt, and T1 spinopelvic inclination) and seat belt metrics (X-value, Z-value, and lap belt angle) were measured. Multivariate regression was used to assess associations with sex, age, height, and body mass index (BMI).
Results:
Reclining reduced cervical/lumbar lordosis and sacral slope, while thoracic kyphosis and pelvic tilt increased. Higher BMI was associated with a cranially shifted and more horizontal lap belt. Taller individuals showed greater T1 spinopelvic inclination and pelvic parameters. Females exhibited more pronounced thoracic kyphosis and pelvic retroversion across reclining angles.
Conclusions
Car seat recline significantly alters spinal alignment and seat belt positioning, with changes influenced by age, height, and BMI. These findings support ergonomic improvements in seat design and may inform surgical planning for ASD.
2.The Impact of Lifestyle Habits before, during, and after Primary Eradication of Helicobacter pylori: A Descriptive Study
Takashi HIROSE ; Ryohei YAMAMOTO ; Sumire SUZUKI ; Fumi MATSUKI ; Miyuki MORITA ; Hiroki INUZUKA ; Tatsuhiko SUZUKI ; Takahito YOSHIDA ; Yoshihiro ONISHI
An Official Journal of the Japan Primary Care Association 2025;48(1):2-10
Introduction: We aimed to evaluate the impact of lifestyle modifications on the risk of eradication failure in patients undergoing first-line therapy for Helicobacter pylori infection.Methods: A survey was conducted in a community pharmacy to assess changes in alcohol consumption, smoking, and high-fat diet intake before, during, and after first-line therapy for H. pylori infection in enrolled patients.Results: A total of 100 patients (response rate: 3.4%) were included in the analysis. Before therapy, 20 patients (20%) smoked, 35 patients (35%) consumed alcohol, and 91 patients (91%) had a high-fat diet. During therapy, the proportion of patients who changed their habits was 15.0% (3/20) for smoking, 71.4% (25/35) for alcohol consumption, and 28.6% (26/91) for high-fat diet. However, the continuation of these changes post-therapy was minimal.Conclusion: Among patients undergoing first-line therapy for H. pylori infection, lifestyle habits that increase the risk of eradication failure were prevalent, with many patients maintaining their habits during therapy except for alcohol consumption. These findings provide fundamental data for lifestyle counselling during eradication therapy.
3.A Systematic Review and Meta-Analysis of Systemic Corticosteroids for the Palliation of Dyspnea in Patients with Cancer
Kozue SUZUKI ; Hideki KATAYAMA ; Hiroyuki KOHARA ; Yoshinobu MATSUDA ; Sho GOYA ; Jun KAKO ; Yoko KASAHARA ; Masanori MORI ; Takeo NAKAYAMA ; Hiroaki WATANABE ; Takashi YAMAGUCHI
Palliative Care Research 2025;20(2):95-102
Objective: Almost half of all patients with cancer experience dyspnea, which can have various causes. Although systemic corticosteroids are administered to relieve symptoms, their efficacy has not been established. This systematic review aims to determine the efficacy of systemic corticosteroids for dyspnea in patients with cancer. Methods: CENTRAL, MEDLINE, EMBASE, and Ichushi-Web databases were searched for articles published from their inception to September 23, 2019, on studies of systemic corticosteroid administration for dyspnea in patients with cancer. The primary outcome measure was dyspnea intensity, as assessed by patient-reported outcomes. Secondary outcome measures were quality of life, delirium, and severe adverse events. Results: Two RCTs were included in the meta-analysis. With regard to alleviating dyspnea, the systematic corticosteroid group was associated with significantly greater dyspnea relief than the placebo group (mean difference: −0.71 [95% CI: −1.4 to −0.03]). However, a meta-analysis of quality of life and delirium could not be performed due to insufficient data. Analysis of severe adverse events showed no significant difference in their incidence between the corticosteroid and control groups (relative rate: 0.96 [95% CI: 0.19-4.93]). Conclusions: Systemic corticosteroids may be effective in treating dyspnea in patients with cancer, particularly those with lung involvement. Limiting the conditions for which corticosteroids are approved is expected to promote their appropriate use and minimize their adverse effects. However, further investigation is needed to determine the appropriate dosage, and the conditions in which corticosteroids are effective.
4.Bevacizumab in frontline chemotherapy improved the survival outcome for advanced ovarian clear cell carcinoma:a multicenter retrospective analysis
Shinichi TATE ; Toshiyuki SEKI ; Kyoko NISHIKIMI ; Youichi UNNO ; Mizue ITOI ; Sadatomo IKEDA ; Nobuhisa YOSHIKAWA ; Hidehiko AKASHI ; Eitaro SUZUKI ; Naotake TANAKA ; Takashi HIRAKAWA ; Hiroaki KAJIYAMA ; Hirokuni TAKANO ; Kosuke YOSHIHARA ; Kaori KOGA ; Aikou OKAMOTO ; Makio SHOZU
Journal of Gynecologic Oncology 2025;36(5):e80-
Objective:
Advanced ovarian clear cell carcinoma (OCCC) is associated with poor outcomes owing to chemoresistance. Bevacizumab (Bev) is increasingly being used to treat advanced ovarian cancer; however, its efficacy in OCCC remains unclear. This study evaluated the treatment outcomes of frontline bevacizumab chemotherapy in patients with OCCC.
Methods:
This retrospective multi-institutional study included patients diagnosed with advanced OCCC at eight institutions in Japan between 2008 and 2018. Patients were categorized into pre and post-market groups based on the Bev approval dates. Progressionfree survival (PFS) and overall survival (OS) were analyzed using univariate and multivariate methods. Additionally, patients were classified into Bev-treated (Bev+) and non-Bev-treated (Bev−) groups, and their prognoses were compared.
Results:
A total of 96 patients were in the pre-market group and 82 in the post-market group. The post-market group had a significantly higher proportion of patients with poor performance status and patients who underwent interval debulking surgery (p<0.01 and p<0.01, respectively). Univariate analysis demonstrated a better PFS in the post-market group (p=0.041). In multivariate analysis, better PFS (hazard ratio [HR]=0.52; p=0.002) and OS (HR=0.47; p=0.002) were observed in the post-market group than in the pre-market group.Bev+ patients had significantly better PFS and OS than Bev− patients in univariate (p<0.001 and p<0.001, respectively) and multivariate analyses (PFS: HR=0.36; p<0.001 and OS:HR=0.21; p=0.001, respectively).
Conclusion
Incorporating Bev into frontline chemotherapy may improve outcomes in patients with advanced OCCC.
5.The Burden of Health Care Provider Inquiries to Community Pharmacists: a Descriptive Cross-Sectional Study
Sumire SUZUKI ; Ryohei YAMAMOTO ; Takashi HIROSE ; Fumi MATSUKI ; Takahito YOSHIDA ; Yoshihiro ONISHI
Japanese Journal of Drug Informatics 2024;26(2):65-71
Objective: To determine the extent of pharmacists’ burden of inquiries from healthcare professionals in community pharmacies. Design: A descriptive cross-sectional study. Methods: A web-based survey was administered to pharmacists affiliated with Medical System Network Group, Inc.’s community pharmacies in Japan. The survey was conducted from February 15 to March 31, 2022. The primary outcome was the burden of inquiries from healthcare professionals and the secondary outcome was the level of burden by job category. Healthcare professionals were defined as physicians, nurses, pharmacists, administrators, care managers, and nursing home staff. To assess the degree of burden, participants were asked “Do you feel burdened by inquiries from health care professionals ? ” and their response was rated on a 5-point Likert scale (not at all, slightly, a little, a lot, and very much). The responses “a lot” and “very much” were combined and defined as “burdened.” To identify the causes of burden, factors of burden and inquiries were investigated. Results: Totally, 1,667 participants were recruited, of which 915 (54.9%) were included in the analysis (women: 62.6%). The participants had a median age of 38 years (interquartile range 31, 48), and worked as pharmacists for 12 years (interquartile range 5, 20). Nearly 13.5% of the respondents felt burdened by inquiries from healthcare professionals and 34.7% reported that physician inquiries were burdensome. The most common reason for feeling burdened was a lack of knowledge about the inquiries (77.3%). Conclusion: It was found that 13.5% of respondents felt burdened when dealing with inquiries from healthcare professionals to pharmacists. In particular, a high percentage of respondents felt burdened by inquiries from physicians. Further research is needed to clarify whether the introduction of a tool that matches the results of this study will reduce the burden of responding to inquiries.
6.Distal Junctional Kyphosis and Failure in Adult Deformity Surgery Down to L5: Commentary on “Distal Junctional Failure After Fusion Stopping at L5 in Patients With Adult Spinal Deformity: Incidence, Risk Factors, and Radiographic Criteria”
Teppei SUZUKI ; Takashi YURUBE
Neurospine 2024;21(3):865-867
7.Prevention of symptomatic pulmonary embolism for gynecologic malignancies with preoperative asymptomatic venous thromboembolism: GOTIC-VTE trial
Yoshifumi TAKAHASHI ; Hiroyuki FUJIWARA ; Kouji YAMAMOTO ; Masashi TAKANO ; Morikazu MIYAMOTO ; Kosei HASEGAWA ; Maiko MIWA ; Toyomi SATOH ; Hiroya ITAGAKI ; Takashi HIRAKAWA ; Mayuyo MORI-UCHINO ; Tomonori NAGAI ; Yoshinobu HAMADA ; Soichi YAMASHITA ; Hiroko YANO ; Tomoyasu KATO ; Keiichi FUJIWARA ; Mitsuaki SUZUKI ; On behalf of the GOTIC-VTE Trial Investigators
Journal of Gynecologic Oncology 2024;35(4):e37-
Objective:
In Japan, perioperative prophylaxis of pulmonary embolism (PE) in gynecologic cancer patients with preoperative asymptomatic venous thromboembolism (VTE) has not been well established yet. The GOTIC-VTE trial was a prospective, multi-center, single-arm clinical trial to investigate the prevention of postoperative symptomatic PE onset by seamless anticoagulant therapy from the preoperative period to 4 weeks after surgery instead of using intermittent pneumatic compression.
Methods:
Anticoagulant therapy was started immediately after asymptomatic VTE diagnosis and stopped preoperatively according to the rules of each institution. Unfractionated heparin administration was resumed within 12 hours postoperatively, and this was followed by the switch to low-molecular-weight heparin and subsequently, edoxaban; this cycle was continued for 28 days. Primary outcome was the occurrence of symptomatic PE in 28 days postoperatively. Secondary outcomes were the incidence of VTE-related events in 28 days and 6 months postoperatively and protocol-related adverse events.
Results:
Between February 2018 and September 2020, 99 patients were enrolled; of these, 82patients were assessed as the full analysis set, including 58 for ovarian cancer, fallopian tube, or peritoneal cancer; 21 for endometrial cancer; and 3 for cervical cancer. No symptomatic PE was observed within 28 days postoperatively; two patients had bleeding events (major bleeding and clinically relevant nonmajor bleeding) and three had grade 3 adverse events (increased alanine transaminase, aspartate aminotransferase, or gamma-glutamyl transferase).
Conclusion
The multifaceted perioperative management for gynecologic malignancies with asymptomatic VTE effectively prevented postoperative symptomatic PE.Trial Registration: JRCT Identifier: jRCTs031180124
8.Prevention of symptomatic pulmonary embolism for gynecologic malignancies with preoperative asymptomatic venous thromboembolism: GOTIC-VTE trial
Yoshifumi TAKAHASHI ; Hiroyuki FUJIWARA ; Kouji YAMAMOTO ; Masashi TAKANO ; Morikazu MIYAMOTO ; Kosei HASEGAWA ; Maiko MIWA ; Toyomi SATOH ; Hiroya ITAGAKI ; Takashi HIRAKAWA ; Mayuyo MORI-UCHINO ; Tomonori NAGAI ; Yoshinobu HAMADA ; Soichi YAMASHITA ; Hiroko YANO ; Tomoyasu KATO ; Keiichi FUJIWARA ; Mitsuaki SUZUKI ; On behalf of the GOTIC-VTE Trial Investigators
Journal of Gynecologic Oncology 2024;35(4):e37-
Objective:
In Japan, perioperative prophylaxis of pulmonary embolism (PE) in gynecologic cancer patients with preoperative asymptomatic venous thromboembolism (VTE) has not been well established yet. The GOTIC-VTE trial was a prospective, multi-center, single-arm clinical trial to investigate the prevention of postoperative symptomatic PE onset by seamless anticoagulant therapy from the preoperative period to 4 weeks after surgery instead of using intermittent pneumatic compression.
Methods:
Anticoagulant therapy was started immediately after asymptomatic VTE diagnosis and stopped preoperatively according to the rules of each institution. Unfractionated heparin administration was resumed within 12 hours postoperatively, and this was followed by the switch to low-molecular-weight heparin and subsequently, edoxaban; this cycle was continued for 28 days. Primary outcome was the occurrence of symptomatic PE in 28 days postoperatively. Secondary outcomes were the incidence of VTE-related events in 28 days and 6 months postoperatively and protocol-related adverse events.
Results:
Between February 2018 and September 2020, 99 patients were enrolled; of these, 82patients were assessed as the full analysis set, including 58 for ovarian cancer, fallopian tube, or peritoneal cancer; 21 for endometrial cancer; and 3 for cervical cancer. No symptomatic PE was observed within 28 days postoperatively; two patients had bleeding events (major bleeding and clinically relevant nonmajor bleeding) and three had grade 3 adverse events (increased alanine transaminase, aspartate aminotransferase, or gamma-glutamyl transferase).
Conclusion
The multifaceted perioperative management for gynecologic malignancies with asymptomatic VTE effectively prevented postoperative symptomatic PE.Trial Registration: JRCT Identifier: jRCTs031180124
9.Distal Junctional Kyphosis and Failure in Adult Deformity Surgery Down to L5: Commentary on “Distal Junctional Failure After Fusion Stopping at L5 in Patients With Adult Spinal Deformity: Incidence, Risk Factors, and Radiographic Criteria”
Teppei SUZUKI ; Takashi YURUBE
Neurospine 2024;21(3):865-867
10.Impact of adaptive radiotherapy on survival in locally advanced nasopharyngeal carcinoma treated with concurrent chemoradiotherapy
Yusuke UCHINAMI ; Koichi YASUDA ; Hideki MINATOGAWA ; Yasuhiro DEKURA ; Noboru NISHIKAWA ; Rumiko KINOSHITA ; Kentaro NISHIOKA ; Norio KATOH ; Takashi MORI ; Manami OTSUKA ; Naoki MIYAMOTO ; Ryusuke SUZUKI ; Keiji KOBASHI ; Yasushi SHIMIZU ; Jun TAGUCHI ; Nayuta TSUSHIMA ; Satoshi KANO ; Akihiro HOMMA ; Hidefumi AOYAMA
Radiation Oncology Journal 2024;42(1):74-82
Purpose:
To investigate the clinical significance of adaptive radiotherapy (ART) in locally advanced nasopharyngeal carcinoma treated with intensity-modulated radiotherapy (IMRT).
Materials and Methods:
Eligible patients were treated with concurrent chemoradiotherapy using IMRT. Planning computed tomography in ART was performed during radiotherapy, and replanning was performed. Since ART was started in May 2011 (ART group), patients who were treated without ART up to April 2011 (non-ART group) were used as the historical control. The Kaplan-Meier method was used to calculate overall survival (OS), locoregional recurrence-free survival (LRFS), progression-free survival (PFS), and distant metastasis-free survival (DMFS). LRFS for the primary tumor (LRFS_P) and regional lymph node (LRFS_LN) were also studied for more detailed analysis. Statistical significance was evaluated using the log-rank test for survival.
Results:
The ART group tended to have higher radiation doses. The median follow-up period was 127 months (range, 10 to 211 months) in the non-ART group and 61.5 months (range, 5 to 129 months) in the ART group. Compared to the non-ART group, the ART group showed significantly higher 5-year PFS (53.8% vs. 81.3%, p = 0.015) and LRFS (61.2% vs. 85.3%, p = 0.024), but not OS (80.7% vs. 80.8%, p = 0.941) and DMFS (84.6% vs. 92.7%, p = 0.255). Five-year LRFS_P was higher in the ART group (61.3% vs. 90.6%, p = 0.005), but LRFS_LN did not show a significant difference (91.9% vs. 96.2%, p = 0.541).
Conclusion
Although there were differences in the patient backgrounds between the two groups, this study suggests the potential effectiveness of ART in improving locoregional control, especially in the primary tumor.


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